#include<iostream>

using namespace std;

class Box{
    public:
        double length;
        double width;
        double height;
};

int main()
{
    Box Box1;
    Box Box2;

    double volume = 0.0;

    //box1
    Box1.height = 5.0;
    Box1.length = 6.0;
    Box1.width = 7.0;
    //box2
    Box2.height = 10.0;
    Box2.width = 12.0;
    Box2.length = 13.0;

    volume = Box1.length * Box1.width * Box1.height;
    cout << "Box1 volume=" << volume << endl;
    
    volume = Box2.length * Box2.width * Box2.height;
    cout << "Box2 volume=" << volume << endl;

    return 0;
}